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Finding the Fourth Proportional to 5,206.86, 7,804.80 and 3,232.47

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Solution

The fourth proportional to 5,206.86, 7,804.80 and 3,232.47 is: 4,845.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.86 : 7,804.80 = 3,232.47 : x
  2. Step 2: Convert to fraction form
    5,206.86/7,804.80 = 3,232.47/x
  3. Step 3: Cross multiply
    5,206.86x = 7,804.80 × 3,232.47
  4. Step 4: Simplify right side
    5,206.86x = 25,228,781.86
  5. Step 5: Solve for x
    x = 25,228,781.86/5,206.86
  6. Step 6: Final answer
    x = 4,845.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.